BEIJING ETECHWIN ELECTRIC CO LTD has a total of 30 patent applications. It decreased the IP activity by 36.0%. Its first patent ever was published in 2012. It filed its patents most often in WIPO (World Intellectual Property Organization), China and Australia. Its main competitors in its focus markets environmental technology, engines, pumps and turbines and electrical machinery and energy are INVENTUS HOLDINGS LLC, MOOG UNNA GMBH and REPOWER SYSTEMS AG.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 11 | |
#2 | China | 5 | |
#3 | Australia | 4 | |
#4 | EPO (European Patent Office) | 4 | |
#5 | United States | 4 | |
#6 | Republic of Korea | 2 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Engines, pumps and turbines | |
#3 | Electrical machinery and energy | |
#4 | Control | |
#5 | Chemical engineering |
# | Name | Total Patents |
---|---|---|
#1 | Liu Bing | 5 |
#2 | Li Qingjiang | 5 |
#3 | Ma Lei | 5 |
#4 | Liu Shijun | 5 |
#5 | Chen Yong | 5 |
#6 | Zhao Shuaiyang | 4 |
#7 | Lan Yunhai | 4 |
#8 | Qin Chengzhi | 4 |
#9 | Yang Zhiqian | 4 |
#10 | Gao Rui | 4 |
Publication | Filing date | Title |
---|---|---|
WO2021056896A1 | Direct current microgrid branch linkage control system and method | |
CN103296689A | Method for compensation and handling of asymmetric sag of power grid based on negative-sequence current | |
CN103312189A | Three-level converter for direct-drive wind power generator set | |
CN103225586A | Galloping preventing safety control method for wind generating set | |
CN103107757A | Method of utilizing full power converter to heat wind driven generator | |
CN102561456A | Device for collecting water from air based on wind energy |